Q: Aman and Ajay can build a wall in 9 days and 12 days respectively. – McqOptions

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1.	Q: Aman and Ajay can build a wall in 9 days and 12 days respectively. In how many days can they finish the work if they work together?
A.	$$ {5{1\over 7}}$$
B.	$$ {11{1\over 2}}$$
C.	2
D.	7
Answer» B. $$ {11{1\over 2}}$$

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